Arithmetic and Geometric

Which kind of sequence has a common ratio?

• Arithmetic
• Geometric

Tags

CCSS.HSF.BF.A.2

Which kind of sequence has a common difference?

• Arithmetic
• Geometric

Tags

CCSS.HSF.BF.A.2

Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

Is this sequence Arithmetic, Geometric, or Neither?
{2, 9, 7, 14, 12, 19, ... }

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

What is the common ratio: 5, 25, 125, 625...

• 25
• 20
• 5
• 4

Tags

CCSS.HSF.BF.A.2

This is an arithmetic sequence. 5, 2, –1, –4, . . .

What is a_{7 (7th term)} ?

• -13

• -11

• -18

• -22

Tags

CCSS.HSF.BF.A.2

Create the explicit formula for the arithmetic sequence: 2, 8, 14, ...

• a_n=2+6(n-1)

• a_n=2+6^(n-1)

• a_n=6(n-2)

• a_n=14-6(n - 1)

Tags

CCSS.HSF.BF.A.2

You have $10 in you bank account.  It doubles every month.  How much money will you have after 5 months?

• $50
• $35
• $320
• $250

Tags

CCSS.HSF.BF.A.2

What is a_{5 (5th term)} in the sequence defined as follows? a_n = 5 ⋅ 2^(n-1) 

• a₅ = 160
• a₅ = 40
• a₅ = 10
• a₅ = 80

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the sequence.

216, 72, 24, 8, ...

Tags

CCSS.HSF.LE.A.2